Drive and drum of a concrete mixer



FIG. 1 is a front view of a drive and drum of a concrete mixer showing my new design.

FIG. 2 is a top view thereof; and,

FIG. 3 is a side view thereof, an opposite side view being a mirror image thereof.

The rear view forms no part of the claimed design.

The broken line showing of portions of the drive motor is included for the purpose of illustrating portions of the drive and drum of a concrete mixer and forms no part of the claimed design. 

CLAIM The ornamental design for a drive and drum of a concrete mixer, as shown and described. 